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author | robot-piglet <robot-piglet@yandex-team.com> | 2023-09-13 11:35:43 +0300 |
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committer | robot-piglet <robot-piglet@yandex-team.com> | 2023-09-13 11:56:26 +0300 |
commit | 9916b2b3577c4dc6d59397dd8585630297b9e594 (patch) | |
tree | adffc64ddd0c80c53383f3ca7435f1883dac1e1a /contrib/libs/libiconv/cp936ext.h | |
parent | 28666be3eead21a7ab832b3a9babaf95cad841d3 (diff) | |
download | ydb-9916b2b3577c4dc6d59397dd8585630297b9e594.tar.gz |
Intermediate changes
Diffstat (limited to 'contrib/libs/libiconv/cp936ext.h')
-rw-r--r-- | contrib/libs/libiconv/cp936ext.h | 99 |
1 files changed, 99 insertions, 0 deletions
diff --git a/contrib/libs/libiconv/cp936ext.h b/contrib/libs/libiconv/cp936ext.h new file mode 100644 index 0000000000..db1817b701 --- /dev/null +++ b/contrib/libs/libiconv/cp936ext.h @@ -0,0 +1,99 @@ +/* + * Copyright (C) 1999-2001 Free Software Foundation, Inc. + * This file is part of the GNU LIBICONV Library. + * + * The GNU LIBICONV Library is free software; you can redistribute it + * and/or modify it under the terms of the GNU Library General Public + * License as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * The GNU LIBICONV Library is distributed in the hope that it will be + * useful, but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Library General Public License for more details. + * + * You should have received a copy of the GNU Library General Public + * License along with the GNU LIBICONV Library; see the file COPYING.LIB. + * If not, write to the Free Software Foundation, Inc., 51 Franklin Street, + * Fifth Floor, Boston, MA 02110-1301, USA. + */ + +/* + * CP936 extensions + */ + +static const unsigned short cp936ext_2uni_pagea6[181-159] = { + /* 0xa6 */ + 0xfe35, + 0xfe36, 0xfe39, 0xfe3a, 0xfe3f, 0xfe40, 0xfe3d, 0xfe3e, 0xfe41, + 0xfe42, 0xfe43, 0xfe44, 0xfffd, 0xfffd, 0xfe3b, 0xfe3c, 0xfe37, + 0xfe38, 0xfe31, 0xfffd, 0xfe33, 0xfe34, +}; +static const unsigned short cp936ext_2uni_pagea8[128-122] = { + /* 0xa8 */ + 0x0251, 0xfffd, 0x0144, 0x0148, 0xfffd, 0x0261, +}; + +static int +cp936ext_mbtowc (conv_t conv, ucs4_t *pwc, const unsigned char *s, int n) +{ + unsigned char c1 = s[0]; + if ((c1 == 0xa6) || (c1 == 0xa8)) { + if (n >= 2) { + unsigned char c2 = s[1]; + if ((c2 >= 0x40 && c2 < 0x7f) || (c2 >= 0x80 && c2 < 0xff)) { + unsigned int i = 190 * (c1 - 0x81) + (c2 - (c2 >= 0x80 ? 0x41 : 0x40)); + unsigned short wc = 0xfffd; + if (i < 7410) { + if (i >= 7189 && i < 7211) + wc = cp936ext_2uni_pagea6[i-7189]; + } else { + if (i >= 7532 && i < 7538) + wc = cp936ext_2uni_pagea8[i-7532]; + } + if (wc != 0xfffd) { + *pwc = (ucs4_t) wc; + return 2; + } + } + return RET_ILSEQ; + } + return RET_TOOFEW(0); + } + return RET_ILSEQ; +} + +static const unsigned short cp936ext_page01[16] = { + 0x0000, 0x0000, 0x0000, 0x0000, 0xa8bd, 0x0000, 0x0000, 0x0000, /*0x40-0x47*/ + 0xa8be, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, /*0x48-0x4f*/ +}; +static const unsigned short cp936ext_page02[24] = { + 0x0000, 0xa8bb, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, /*0x50-0x57*/ + 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, /*0x58-0x5f*/ + 0x0000, 0xa8c0, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, /*0x60-0x67*/ +}; +static const unsigned short cp936ext_pagefe[24] = { + 0x0000, 0xa6f2, 0x0000, 0xa6f4, 0xa6f5, 0xa6e0, 0xa6e1, 0xa6f0, /*0x30-0x37*/ + 0xa6f1, 0xa6e2, 0xa6e3, 0xa6ee, 0xa6ef, 0xa6e6, 0xa6e7, 0xa6e4, /*0x38-0x3f*/ + 0xa6e5, 0xa6e8, 0xa6e9, 0xa6ea, 0xa6eb, 0x0000, 0x0000, 0x0000, /*0x40-0x47*/ +}; + +static int +cp936ext_wctomb (conv_t conv, unsigned char *r, ucs4_t wc, int n) +{ + if (n >= 2) { + unsigned short c = 0; + if (wc >= 0x0140 && wc < 0x0150) + c = cp936ext_page01[wc-0x0140]; + else if (wc >= 0x0250 && wc < 0x0268) + c = cp936ext_page02[wc-0x0250]; + else if (wc >= 0xfe30 && wc < 0xfe48) + c = cp936ext_pagefe[wc-0xfe30]; + if (c != 0) { + r[0] = (c >> 8); r[1] = (c & 0xff); + return 2; + } + return RET_ILUNI; + } + return RET_TOOSMALL; +} |